The loonie was down 0.25 of a cent to 102.17 cents US, easing from a half-cent decline earlier in the session, as traders moved into safe havens like the U.S. dollar.
In commodities, November crude on the New York Mercantile Exchange moved down 96 cents to US$91.93 a barrel.
New efforts to revive growth from central banks in Europe, Japan and the U.S. have not been enough to overcome pessimism about the global economy's prospects. When economic growth slows, so does demand for fuel which typically results in lower oil prices.
December bullion decreased $13.40 to US$1,764.60 an ounce. December copper was off nearly six cents to US$3.73 a pound.
The decline of commodities has helped to slow the growth of the Canadian dollar, which surged past parity with the U.S. currency this summer.